package com.example.yinzradio.project;

import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.Dispatch;
import com.jacob.com.Variant;
import sun.misc.BASE64Encoder;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

/**
 * 文字转语音并存语音文件
 */
public class TextToVoice {
    public static void textToSpeech(String data,String path,String wavName) throws IOException {
        data = ";;;;;;"+data; //停顿
        ActiveXComponent ax = null;
        try {
            ax = new ActiveXComponent("Sapi.SpVoice");
            // 运行时输出语音内容
            Dispatch spVoice = ax.getObject();
//            // 音量 0-100
//            ax.setProperty("Volume", new Variant(100));
//            // 语音朗读速度 -10 到 +10
//            ax.setProperty("Rate", new Variant(10));
//            // 执行朗读
//            Dispatch.call(spVoice, "Speak", new Variant(data));

            // 下面是构建文件流把生成语音文件
            ax = new ActiveXComponent("Sapi.SpFileStream");
            Dispatch spFileStream = ax.getObject();

            ax = new ActiveXComponent("Sapi.SpAudioFormat");
            Dispatch spAudioFormat = ax.getObject();

            // 设置音频流格式
            Dispatch.put(spAudioFormat, "Type", new Variant(22));
            // 设置文件输出流格式
            Dispatch.putRef(spFileStream, "Format", spAudioFormat);
            // 调用输出 文件流打开方法，创建一个.wav文件
            Dispatch.call(spFileStream, "Open", new Variant(path+"/"+wavName+".wav"), new Variant(3), new Variant(true));
            // 设置声音对象的音频输出流为输出文件对象
            Dispatch.putRef(spVoice, "AudioOutputStream", spFileStream);
            // 设置音量 0到100
            Dispatch.put(spVoice, "Volume", new Variant(100));
            // 设置朗读速度
            Dispatch.put(spVoice, "Rate", new Variant(0));
            // 开始朗读
            Dispatch.call(spVoice, "Speak", new Variant(data));

            // 关闭输出文件
            Dispatch.call(spFileStream, "Close");
            Dispatch.putRef(spVoice, "AudioOutputStream", null);

            spAudioFormat.safeRelease();
            spFileStream.safeRelease();
            spVoice.safeRelease();
            ax.safeRelease();


        } catch (Exception e) {

        }

    }
    /**
     * 文件转base64
     */
    public static String wavToBase64(String path) throws IOException {
        File file = new File(path);
        FileInputStream inputFile = new FileInputStream(file);
        byte[] buffer = new byte[(int)file.length()];
        inputFile.read(buffer);
        inputFile.close();
        return new BASE64Encoder().encode(buffer);
    }

}
